Earplug



FIG. 1 is a first end perspective view of an earplug;

FIG. 2 is a first end view thereof;

FIG. 3 is a second end view thereof;

FIG. 4 is a first profile view thereof;

FIG. 5 is a second profile view thereof;

FIG. 6 is a first edge view thereof;

FIG. 7 is a second edge view thereof; and,

FIG. 8 is a second end perspective view thereof.

The broken line showing of a portion of the article is included for thepurpose of illustrating subject matter excluded from the claim with theline itself and all within forming no part of the claimed design.

CLAIM The ornamental design for an earplug, substantially as shown anddescribed.